CN212709667U - Flexible frame of heavy truck - Google Patents

Abstract

The utility model belongs to the technical field of vehicle frames, and discloses a heavy truck flexible vehicle frame, which comprises two longitudinal beams, a front cross beam is arranged between one ends of the two longitudinal beams, a rear cross beam is fixed between the other ends of the two longitudinal beams, a reinforced cross beam is fixedly connected between the two longitudinal beams through bolts, and a reinforced plate is arranged at one side of the two longitudinal beams far away from the reinforced cross beam, fixed plates are fixed at both ends of the reinforced plate, a limit groove matched with the reinforced plate is arranged at the outer side of the longitudinal beam, the utility model can realize the rapid positioning and installation of the reinforced plate through the matching of the limit groove, a fixture block and a dovetail groove, and simultaneously, the reinforced plate and the longitudinal beam can be tightly combined, and simultaneously, the fixed plates can be firmly arranged on the longitudinal beams through the matching of a screw rod and a screw sleeve, thereby being convenient for rapidly fixing the reinforced plate on the, the connection strength between the reinforcing plate and the longitudinal beam is greatly improved.

Description

Flexible frame of heavy truck

Technical Field

The utility model belongs to the technical field of the frame, concretely relates to flexible frame of heavy truck.

Background

The frame is also called as a crossbeam, the base body of an automobile generally consists of two longitudinal beams and a plurality of cross beams, the two longitudinal beams are supported on wheels through a suspension device, a front axle and a rear axle, in order to have enough strength and rigidity to bear the load of the automobile and the impact transmitted from the wheels, the existing frame is usually made of multilayer high-strength steel girder plate materials and is connected in a riveting mode or the like, under the condition of ensuring the strength and the bearing capacity of the crossbeam, certain flexibility is realized, the automobile frame is particularly suitable for transportation on uneven mountain roads, and meanwhile, the high-strength steel plate materials are flexibly connected, so that the deformation damage caused when the wheels are subjected to transverse or longitudinal uneven acting force can be effectively solved.

In chinese patent No. CN201620616230.5, a heavy truck and a frame thereof are disclosed, in which a reinforcing beam is added on an outer surface of a longitudinal beam to realize local and overall reinforcement of a frame assembly, thereby improving strength and rigidity of the frame, but the reinforcing beam is inconvenient to assemble in actual use, and the reinforcing beam and the longitudinal beam have poor connection strength, are difficult to connect and fasten, and affect the use effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy truck flexible frame to the joint strength between the stiffening beam that proposes in solving above-mentioned background art and the longeron is relatively poor, and the easy problem of splitting damage of crossbeam.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible frame of heavy truck, includes two longerons, two install the front beam between the one end of longeron, and be fixed with the rear frame member between the other end of two longerons, two through bolt fixedly connected with web beam between the longeron, and two longerons keep away from one side of web beam and all install the reinforcing plate, the both ends of reinforcing plate all are fixed with the fixed plate, the spacing groove that matches with the reinforcing plate is seted up in the outside of longeron, and the inner wall of spacing groove has seted up the dovetail, the reinforcing plate is close to one side of spacing groove and installs the fixture block with dovetail assorted, it has the screw rod to run through between the inside of fixed plate and longeron, the through-hole has all been seted up with the junction of fixed plate and longeron.

Preferably, the cavity groove has been seted up to web beam's inside, there is first stiffener through pivot swing joint between the top in cavity groove and the bottom, and is close to one side of first stiffener between the top in cavity groove and the bottom and has the second stiffener through pivot swing joint, the loose axle is installed with the junction of first stiffener to the second stiffener, and is connected with the spring between the tip of second stiffener and first stiffener.

Preferably, the inner wall of the dovetail groove is provided with a rubber pad, and the outer wall of the rubber pad is provided with a protective groove.

Preferably, the first reinforcing rod and the second reinforcing rod are distributed in a mutually crossed mode, and the number of the springs is two.

Preferably, the fixture block is of a protruding trapezoid structure, and the dovetail groove is of a recessed trapezoid structure.

Preferably, the intervals between two adjacent reinforcing cross beams are equal, and the top of the longitudinal beam is provided with a mounting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cooperation of spacing groove, fixture block and dovetail can realize the quick location installation of reinforcing plate, can make reinforcing plate and longeron zonulae occludens simultaneously, simultaneously through the cooperation of screw rod and swivel nut, can make the fixed plate firmly at the longeron to be convenient for fix the reinforcing plate on the longeron fast, easy operation, the equipment of being convenient for connect the fastening reliable, improved the joint strength between reinforcing plate and the longeron greatly.

(2) The utility model discloses a cooperation of chamber groove, second stiffener, first stiffener and spring isotructure has strengthened web beam's support intensity greatly, the effectual shock attenuation effect of having played to reduced external force and strikeed the extrusion of web beam, prevented that web beam from breaking and damaging, improved the life of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the cavity groove of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. a front cross member; 2. a stringer; 3. a fixing plate; 4. a reinforcing plate; 5. a clamping block; 6. a dovetail groove; 7. a limiting groove; 8. a threaded sleeve; 9. a rear cross member; 10. a reinforcing cross beam; 11. a screw; 12. a cavity groove; 13. a spring; 14. a first reinforcement bar; 15. a movable shaft; 16. a second reinforcement bar; 17. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a heavy truck flexible frame comprises two longitudinal beams 2, a front cross beam 1 is installed between one ends of the two longitudinal beams 2, a rear cross beam 9 is fixed between the other ends of the two longitudinal beams 2, a reinforced cross beam 10 is fixedly connected between the two longitudinal beams 2 through bolts, a reinforced plate 4 is installed on one side of each longitudinal beam 2 far away from the reinforced cross beam 10, fixing plates 3 are fixed at two ends of each reinforced plate 4, a limiting groove 7 matched with the reinforced plate 4 is formed in the outer side of each longitudinal beam 2, a dovetail groove 6 is formed in the inner wall of each limiting groove 7, a clamping block 5 matched with the dovetail groove 6 is installed on one side of each reinforced plate 4 close to the corresponding limiting groove 7, a screw rod 11 penetrates through the inner portions of the fixing plates 3 and the longitudinal beams 2, through holes 17 are formed in the joints of the screw rods 11 with the fixing plates 3 and the longitudinal beams 2, screw sleeves 8 are sleeved at two ends of the screw rods, then insert limiting groove 7 with its one side in, fixture block 5 card is gone into in the dovetail 6 simultaneously, thereby can realize the quick location installation of reinforcing plate 4, make the combination that reinforcing plate 4 and longeron 2 can be inseparable be in the same place simultaneously, later insert screw rod 11 in the through-hole 17, under the locking of swivel nut 8, can make fixed plate 3 firmly at longeron 2, and then be convenient for fix reinforcing plate 4 on longeron 2 fast, and the operation is simple, the equipment of being convenient for, and connect the fastening reliable, the joint strength between reinforcing plate 4 and longeron 2 has been improved greatly.

Furthermore, a cavity 12 is formed inside the reinforcing beam 10, a first reinforcing rod 14 is movably connected between the top and the bottom of the cavity 12 through a rotating shaft, a second reinforcing rod 16 is movably connected between the top and the bottom of the cavity 12 and close to one side of the first reinforcing rod 14 through a rotating shaft, a movable shaft 15 is installed at the joint of the second reinforcing rod 16 and the first reinforcing rod 14, a spring 13 is connected between the second reinforcing rod 16 and the end of the first reinforcing rod 14, the reinforcing beam 10 can be subjected to weight reduction and toughening through the cavity 12, the bending degree of the reinforcing beam 10 is improved, the cavity 12 can be reinforced through the matching of the second reinforcing rod 16 and the first reinforcing rod 14, so that the supporting strength of the reinforcing beam 10 is greatly enhanced, and meanwhile, the second reinforcing rod 16 and the first reinforcing rod 14 rotate to extrude the spring 13, and a buffering and shock absorption effect can be further achieved under the action of the spring 13, therefore, the extrusion impact of external force on the reinforcing beam 10 is reduced, the reinforcing beam 10 is prevented from being broken and damaged, and the service life of the device is greatly prolonged.

Further, a rubber pad is installed on the inner wall of the dovetail groove 6, the rubber pad has the anti-skidding and stable effect, and a protection groove is formed in the outer wall of the rubber pad.

Specifically, the first reinforcing bar 14 and the second reinforcing bar 16 are distributed across each other, the number of the springs 13 is two, and the springs 13 have a large buffering effect.

Specifically, the fixture block 5 has a protruding trapezoidal structure, and the dovetail groove 6 has a recessed trapezoidal structure.

Specifically, the intervals between two adjacent reinforcing cross beams 10 are equal, the top of the longitudinal beam 2 is provided with a mounting hole, and parts can be conveniently fixed on the longitudinal beam 2 through the mounting hole.

The utility model discloses a theory of operation and use flow: when the utility model is used, the reinforcing plate 4 can be aligned to the limiting groove 7, one side of the reinforcing plate is inserted into the limiting groove 7, the clamping block 5 is clamped into the dovetail groove 6, thereby realizing the rapid positioning and installation of the reinforcing plate 4, simultaneously leading the reinforcing plate 4 and the longitudinal beam 2 to be combined together tightly, then inserting the screw rod 11 into the through hole 17, under the locking of the screw sleeve 8, leading the fixing plate 3 to be firmly fixed on the longitudinal beam 2, further being convenient for rapidly fixing the reinforcing plate 4 on the longitudinal beam 2, not only having simple operation and convenient assembly, but also having reliable connection and fastening, greatly improving the connection strength between the reinforcing plate 4 and the longitudinal beam 2, through adding the reinforcing plate 4 on the outer surface of the longitudinal beam 2, realizing the local and integral reinforcement of the frame assembly, effectively improving the strength and rigidity of the frame, in particular the torsional strength of the frame, thereby greatly improving the driving safety of the whole vehicle, in addition, can subtract heavy toughening to web beam 10 through cavity 12, the flexible degree of web beam 10 has been improved, cooperation through second stiffener 16 and first stiffener 14, can consolidate cavity 12, thereby the support intensity of web beam 10 has been strengthened greatly, but second stiffener 16 rotates extrusion spring 13 with first stiffener 14 simultaneously, can further play buffering shock attenuation effect under spring 13's effect, thereby the extrusion impact of external force to web beam 10 has been reduced, web beam 10 has been prevented to take place fracture damage, the life of device has been improved greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a flexible frame of heavy truck which characterized in that: the novel fixing device comprises two longitudinal beams (2), a front cross beam (1) is installed between one end of each longitudinal beam (2), a rear cross beam (9) is fixed between the other ends of the two longitudinal beams (2), a reinforcing cross beam (10) is fixedly connected between the two longitudinal beams (2) through bolts, a reinforcing plate (4) is installed on one side, away from the reinforcing cross beam (10), of each longitudinal beam (2), fixing plates (3) are fixed at two ends of each reinforcing plate (4), a limiting groove (7) matched with the reinforcing plate (4) is formed in the outer side of each longitudinal beam (2), a dovetail groove (6) is formed in the inner wall of each limiting groove (7), a clamping block (5) matched with the dovetail groove (6) is installed on one side, close to the limiting groove (7), of each reinforcing plate (4), and a screw rod (11) penetrates through the fixing plates (3) and the inner portions of the longitudinal, through-holes (17) are formed in the connecting positions of the screw rods (11) and the fixing plates (3) and the longitudinal beams (2), and threaded sleeves (8) are sleeved at the two ends of the screw rods (11).

2. The heavy truck compliant frame of claim 1, wherein: cavity groove (12) have been seted up to the inside of strengthening beam (10), there is first stiffener (14) through pivot swing joint between the top of cavity groove (12) and the bottom, and is close to one side of first stiffener (14) between the top of cavity groove (12) and the bottom and has second stiffener (16) through pivot swing joint, loose axle (15) are installed with the junction of first stiffener (14) in second stiffener (16), and are connected with spring (13) between the tip of second stiffener (16) and first stiffener (14).

3. The heavy truck compliant frame of claim 1, wherein: the inner wall of the dovetail groove (6) is provided with a rubber pad, and the outer wall of the rubber pad is provided with a protective groove.

4. The heavy truck compliant frame of claim 2, wherein: the first reinforcing rods (14) and the second reinforcing rods (16) are distributed in a mutually crossed mode, and the number of the springs (13) is two.

5. The heavy truck compliant frame of claim 1, wherein: the fixture block (5) is of a protruding trapezoid structure, and the dovetail groove (6) is of a recessed trapezoid structure.

6. The heavy truck compliant frame of claim 1, wherein: the interval between two adjacent strengthening cross beams (10) is equal, and the top of longeron (2) has seted up the mounting hole.

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